151 to 175 of 212 Senior Systems Engineer Jobs in London

Matchtech Group is partnering with a leading defence organisation in Enfield to recruit a Senior Antenna Engineer for the UK Radar and Naval Solutions team. You will lead research, design, modelling and testing of microwave antenna technologies and support RF system development. The role requires hands ...

Rustify is seeking a Senior Rust Software Engineer to join our London-based trading systems team. You will work hybrid from our London offices, focusing on high-performance, latency-sensitive components that power DeFi trading infrastructure and Ethereum-related workflows. You will optimize the core ...

Fasanara Digital is actively seeking a Trading Systems Developer to join the Front Office Technology team to design, build and run low-latency trading infrastructure. You will work with traders, quants and engineers to deliver fast, reliable systems that are easy to extend and maintain. This hands ...

Mill Recruitment Ltd invites applications for a Senior … Engineer role in London with remote working options. You will lead RF and antenna development, design and test RF/microwave systems, and coordinate with manufacturing and supply chains to deliver key packages. The ideal candidate has deep RF design experience, familiarity with PCB tooling ...

seeking a Senior Rust Engineer for remote work across the UK and Germany. You will design and implement high-performance systems for coordinating robotic swarms, processing sensor data, and enabling real-time communication. The role requires production Rust experience (2+ years) and familiarity with Tokio ...

Fasanara Digital is expanding its Front Office Technology team and seeking a Trading Systems Developer to design, build and operate fast, reliable trading infrastructure close to the market. You will own components end to end, from design through deployment and production support, collaborating with traders, quants and engineers … deliver scalable systems with low latency and high stability. #J-18808-Ljbffr ...

UnderwriteMe, a leading Insurtech platform, seeks a Senior Applied AI Engineer to design, build, and deploy production-grade LLM-based and agentic systems. You will own evaluation harnesses, shape multi-step workflows with guardrails, and collaborate with product teams to align ML capabilities with underwriting constraints. ...

Conference Technologies seeks a Lead Engineer to be the on-site technical resource, capable of leading a team on construction sites, tuning DSPs, finalising code, and guiding handover days. You own delivery across mechanical, electrical, and software, ensuring off-site … designs perform flawlessly in the real world. You take pride in quality, safety, and professional client handover. You will install and commission complete AV systems, train end users, document as-built drawings, and uphold CTI's #J-18808-Ljbffr ...

Work Arrangement : Hybrid, 3-days per week TL;DR Kharon is seeking a full-time Senior AI Engineer, Retrieval & Agentic Systems based in London. Own and advance content discovery in Corestream, improving how customers find, explore, and engage with relevant risk intelligence, while helping shape … graph-based signals that go beyond traditional semantic similarity. Explore and build new discovery experiences, including agentic search, intelligent content categorization, personalized feeds, and systems that surface relevant connections across large collections of intelligence. Driving the evolution of Kharon's narrative generation pipeline — how we take graph and analytical ...

Staff Software Engineer, Console GPU Inference United Kingdom, London Why Sony Interactive Entertainment? Sony Interactive Entertainment isn’t just the Best Place to Play — it’s also the Best Place to Work. Sony Interactive Entertainment (SIE) is the company behind the PlayStation brand. As a subsidiary of Sony … company-level technology strategies and processes, as well as defining the scope of the project. This is a unique and highly senior position at the core of PlayStation technology. Your colleagues in ATG will include the engineers responsible for the rendering and ray tracing libraries, GPU tools, shader ...

Preply is seeking a Senior II Backend … Engineer in London, offering hybrid work and a chance to shape the technical direction of multiple squads. You will design scalable backend systems, drive data pipelines, and integrate with third-party services to power Preply’s global growth. You will mentor peers, participate in architectural reviews ...

Matchtech Group is seeking an experienced Senior QA Automation Engineer for a long-term contract in London. You will design and develop automated test frameworks, improve capabilities, and investigate defects within highly secure, mission-critical systems. Applicants must have active DV clearance, strong Python skills, PowerShell ...

AKQA, London, is seeking a Lead/Principal AI Engineer to design, build and deploy production-grade AI systems and agentic solutions for diverse digital experiences. You will lead architecture, collaborate with clients and cross-functional teams, and ensure scalable, secure delivery of AI-enabled platforms. ...

Indicium AI is deploying production AI systems and embedding agents in client teams. This Senior FDE role focuses on building agentic AI systems, multi-agent orchestration, RAG pipelines, MCP server integrations, and an observability layer to ensure trust in regulated environments. You will tackle ambiguous problems ...

full mission lifecycle - from early concept and requirements definition through design, AIT, launch, and in‐orbit commissioning - working closely with subsystem, software, and systems engineers to ensure a coherent and robust system design. Role Responsibilities System Engineering Provide electrical system engineering, both high level architecture and detailed electronics design … from specification to integration Develop and maintain electrical system architectures for ClearSpace missions Act as the technical point of contact on the Electrical systems with key stakeholders: internal project teams, customers, subcontractors. Perform requirements engineering (analysis, flow-up and down) related to electrical systems, and the electrical interfaces ...

Provn Talent Solutions Ltd is recruiting a Senior Rust Software Engineer for a leading global financial-markets firm. You will join the Core Trading Engineering team to design and build high-performance Rust applications and distributed services in Linux environments. You will collaborate with quantitative teams ...

Harvey Nash Group is seeking a Senior Full Stack Python Engineer to design, build, and deliver intelligent backend systems and modern front-end applications for data-intensive workflows. The role blends distributed systems engineering with AI/agentic tooling and data visualization using React ...

Morgan Chase in London seeks a Senior Lead Software Engineer to design, build and improve scalable client-facing capabilities for J.P. Morgan Online International. You will contribute hands-on code, mentor engineers and guide complex technical decisions within Asset & Wealth Management’s IT organisation. You will ...

Optiver is seeking a Senior Digital Assets Software Engineer in London to design and implement trading systems for cryptocurrency markets. You will work closely with traders and researchers to translate market insights into robust production solutions. Join a fast-moving environment where you’ll build ...

Resonance is seeking a Senior Applied AI Engineer in London to lead client engagements and design production AI systems. You will own end-to-end deployments, set technical direction, and mentor engineers across the stack from data pipelines to core client systems. You will write production ...

Group in London is seeking a Senior Applied AI Engineer to design and scale AI-powered systems. You will contribute across the stack from ideas to production, shaping the direction of AI initiatives and product strategy. Strong Python skills and hands-on deployment experience are essential ...

Vertus Partners in London is seeking a hands-on Java Software Engineer to own design and delivery of distributed … backend services in a banking environment. You will work on microservices, cloud deployments (AWS), and architecture decisions while writing production-grade Java and keeping systems scalable, resilient, and observable. The role offers a flexible hybrid model and strong growth potential toward leadership. #J-18808-Ljbffr ...

Darke & Taylor is seeking an experienced Security Commissioning Engineer to join a rapidly growing team working on prestigious projects across London and the Southeast. The role involves leading commissioning of CCTV, access … control, video entry and intruder alarms, coordinating with project managers to ensure installation and paperwork are compliant. The ideal candidate will have extensive security systems experience and be capable of driving projects from start to finish, with opportunities #J-18808-Ljbffr ...

JPMorgan Chase is seeking a Senior Lead Software Engineer within CIB – Markets Technology. You will lead agile teams responsible for building and delivering secure, scalable technology products across multiple applications. You will apply deep technical expertise in Java, drive architecture improvements, and mentor engineers while partnering ...

Fresha is seeking a Senior Applied AI Engineer for our London product team. You will join a cross-functional group building AI-powered features that customers interact with directly, including … reception and related tooling. The role blends senior backend engineering with applied AI work. You will own end-to-end delivery, design systems around the model, and ensure production quality and scalable performance in a hybrid office setting. #J-18808-Ljbffr ...